Revin Ivan

From Novosibirsk, Russia

Player page

Common russian riichi rating (CRR)

Rating date July 6, 2025 (latest changes July 5, 2025).

279 place (28.75).

max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266

p1 = (66.67 * 1.60 * 0.71 + 83.33 * 2.20 * 1 + 0 + 0 + 0) / (1.60 * 0.71 + 2.20 * 1 + 1 + 1 + 1) = 40.91516787326892

p2 = (83.33 * 2.20 * 1 + 66.67 * 1.60 * 0.71) / max_coefficients = 16.590528720818583

score = 40.91516787326892 * 0.5 + 16.590528720818583 * 0.5 = 28.75284829704375

Rating changes

Show

Date Place Points Reason
2025-07-05 278 -> 279 29.69 -> 28.75

Akademgorodok: Riichi Mahjong Tournament 2024: 86% -> 71%

2025-07-03 279 -> 278 29.69
2025-06-15 270 -> 279 29.95 -> 29.69
2025-06-14 265 -> 270 29.95
2025-06-11 272 -> 265 29.95
2025-06-08 270 -> 272 29.95
2025-05-17 267 -> 270 29.95
2025-05-12 267 29.57 -> 29.95
2025-05-05 267 30.47 -> 29.57

Akademgorodok: Riichi Mahjong Tournament 2024: 100% -> 86%

2025-05-03 261 -> 267 30.47

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 83 2025-04-13 23/25 100% 2.20 CRR Akademgorodok Riichi Mahjong Tournament 2025 Novosibirsk
2 67 2024-05-05 15/16 71% 1.60 CRR Akademgorodok: Riichi Mahjong Tournament 2024 Novosibirsk